| Company | Location | Certifications | License # |
|---|---|---|---|
| Alexey Alexander Dillon | — | Installer (Class II)Inspector (Maintenance Provider) | OS0039241 |
| Andrew Enochs | — | Installer (Class II)Inspector (Maintenance Provider) | OS0040115 |
| Bobby R Georg | — | Installer (Class II) | OS0000277 |
| Brad Parker | — | Installer (Class II) | OS0035249 |
| Bryan J Thompson | — | Inspector (Maintenance Provider) | MP0002238 |
| Bryan V Rs Ruiz | — | Designer (Site Evaluator) | OS0022141 |
| Camille A Dewinne | — | Inspector (Maintenance Provider) | MP0002452 |
| Carl Allan Scheel | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0006151 |
| Carl W Eoff | — | Installer (Class II)Inspector (Maintenance Provider) | OS0029546 |
| Casey Lynn Ott | — | Installer (Class I) | OS0031242 |
| Charles A Mager | — | Installer (Class II) | OS0027258 |
| Charles C Fonville | — | Installer (Class II) | OS0040442 |
| Charles D Fonville | — | Installer (Class II) | OS0005427 |
| Christopher R Seidensticker | — | Installer (Class II)Inspector (Maintenance Provider) | OS0035260 |
| Christopher T Zigalo | — | Inspector (Maintenance Provider) | MP0002676 |
| Clarence D I Hinds | — | Installer (Class II)Inspector (Maintenance Provider) | OS0030965 |
| Clarke J Jr Earnest | — | Installer (Class II) | OS0033551 |
| Colin A Baker | — | Installer (Class II) | OS0036405 |
| Curtis W Braden | — | Installer (Class II) | OS0026235 |
| Dakota R Burnes | — | Installer (Class II) | OS0039516 |
| Dana Leonard Palmer | — | Installer (Class I) | OS0035758 |
| David B Winters | — | Installer (Class II)Inspector (Maintenance Provider) | OS0005924 |
| David Claude Barker | — | Installer (Class II)Inspector (Maintenance Provider) | OS0008287 |
| David W Flugrath | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0001648 |
| Dennis Peter Varhol | — | Installer (Class II) | OS0031132 |
| Donald L Boerner | — | Inspector (Maintenance Provider) | MP0002289 |
| Douglas Allen Bach | — | Installer (Class II) | OS0039553 |
| Frank Ernest Johnson | — | Inspector (Maintenance Provider) | MP0002477 |
| Frank Oranday | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0035169 |
| Garrett R Winters | — | Installer (Class II)Designer (Site Evaluator) | OS0039711 |
| Gilberto R Jr Gutierrez | — | Installer (Class I) | OS0040937 |
| Gordon P Iii Swoyer | — | Installer (Class II) | OS0026238 |
| Greg W Pe Johnson | — | Installer (Class II)Designer (Site Evaluator) | OS0004042 |
| J Cruz Aguinaga | — | Installer (Class II) | OS0021681 |
| James Barrett Skidmore | — | Installer (Class I) | OS0041438 |
| James H Jr Sickles | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028421 |
| Jayson T Keltner | — | Installer (Class II) | OS0039411 |
| Jeanne R Georg | — | Installer (Class II) | OS0005607 |
| Jeffrey D Richardson | — | Installer (Class II)Inspector (Maintenance Provider) | OS0032771 |
| Jerry Brian Cockerham | — | Designer (Site Evaluator) | OS0035830 |
| Jesse Klaerner | — | Installer (Class II) | OS0039407 |
| John D Sargent | — | Inspector (Maintenance Provider) | MP0000859 |
| John J Weige | — | Inspector (Maintenance Provider) | MP0002077 |
| Joseph D Mitchell | — | Installer (Class II) | OS0035370 |
| Joseph Sandoval | — | Installer (Class I) | OS0036154 |
| Joshua J Creasy | — | Installer (Class I) | OS0036889 |
| Justin B Trevino | — | Installer (Class II)Inspector (Maintenance Provider) | OS0033034 |
| Justin C Scheel | — | Installer (Class II)Inspector (Maintenance Provider) | OS0032417 |
| Justin T Jacobson | — | Installer (Class II) | OS0035130 |
| Karl F Weidner | — | Installer (Class II) | OS0035065 |
| Katarina Grice | — | Designer (Site Evaluator) | OS0036307 |
| Kyle A Jr Krohn | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0033097 |
| Levi Mason | — | Installer (Class II) | OS0038409 |
| Logan Kyle Leppo | — | Inspector (Maintenance Provider) | MP0002494 |
| Matthew Rabe | — | Designer (Site Evaluator) | OS0040745 |
| Michael Scott Batey | — | Installer (Class II) | OS0000243 |
| Otis O Ii Riffey | — | Installer (Class II) | OS0033057 |
| Phillip Nevarez | — | Installer (Class II) | OS0040734 |
| Randy Clay Batey | — | Installer (Class II) | OS0007881 |
| Richard E Jr Charles | — | Installer (Class II)Inspector (Maintenance Provider) | OS0035492 |
| Rick E Jr Hazel | — | Inspector (Maintenance Provider) | MP0001794 |
| Robert W Keltner | — | Installer (Class II)Inspector (Maintenance Provider) | OS0028152 |
| Ronald K Rodriguez | — | Inspector (Maintenance Provider) | MP0002479 |
| Ronnie G Huebner | — | Installer (Class II) | OS0004697 |
| Roy P Ackey | — | Installer (Class II) | OS0035131 |
| Russell W Miller | — | Inspector (Maintenance Provider) | MP0001852 |
| Rusty J Reedy | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0030229 |
| Ryan S Kostantenaco | — | Installer (Class II) | OS0024588 |
| Scott J Schneider | — | Installer (Class II) | OS0026996 |
| Shawn Hines | — | Installer (Class II) | OS0037625 |
| Steven Ray Krause | — | Installer (Class II) | OS0000297 |
| Thalia Assyria Rivas | — | Installer (Class II)Designer (Site Evaluator)Inspector (Maintenance Provider) | OS0036735 |
| Thomas E Moos | — | Installer (Class II)Inspector (Maintenance Provider) | OS0021683 |
| Timothy W Denham | — | Installer (Class II) | OS0027462 |
| Tommy L Weyand | — | Installer (Class II) | OS0028151 |
| Trevor Ryan Wong | — | Installer (Class I) | OS0041380 |
| Trinidad Jr Avila | — | Installer (Class II) | OS0021674 |
| Walker G Chapman | — | Installer (Class II)Inspector (Maintenance Provider) | OS0002929 |
| William K Baker | — | Installer (Class II)Inspector (Maintenance Provider) | OS0032864 |
| Zachary James Lesikar | — | Designer (Site Evaluator) | OS0039135 |
80 companies in the TCEQ OSSF (On-Site Sewage Facility) occupational licenses are based in Comal County as of 2026-07-23. Companies based elsewhere in Texas also commonly serve the county.
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